Hedging Transactions and Derivative Financial Instruments (Derivative and Nonderivative Debt Instruments) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other long-term assets	Other long-term assets
Net investment hedges
Derivatives, Fair Value [Line Items]
Derivative assets	$ 497	$ 653
Net investment hedges | Notes payable and current portion of long-term debt
Derivatives, Fair Value [Line Items]
Nonderivative hedging instruments	1,584	0
Net investment hedges | Long-term debt
Derivatives, Fair Value [Line Items]
Nonderivative hedging instruments	$ 4,244	$ 5,777